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Are Hoover Dam and Boulder Dam one in the same?

Hoover left office, the names Boulder Canyon Dam and Boulder Dam were frequently used when referring to the dam, allegedly because the new Secretary of the Interior did not like Mr. Hoover. However, the name of the dam was never officially changed from Hoover.



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Hoover Dam, formerly called Boulder Dam, dam in Black Canyon on the Colorado River, at the Arizona-Nevada border, U.S. Constructed between 1930 and 1936, it is the highest concrete arch-gravity dam in the United States.

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Hoover Dam, spanning the Arizona-Nevada border about 30 miles southeast of Las Vegas, is the most-visited dam in the world, counting some 7 million tourists a year.

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Today, the Hoover Dam is the second highest dam in the country and the 18th highest in the world. It generates more than four billion kilowatt-hours a year -- that's enough to serve 1.3 million people! Here's how this dam stacks up against some of the biggest dams in the world.

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FOUR CORNERS MONUMENT IS OPEN! This unique location marks the point at which the borders of four different U.S. states meet: Utah, Arizona, Colorado and New Mexico. It's the only place in the United States where you can be in 4 states at the same time!

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If the Hoover Dam ever breaks, the entire region downriver would suffer from immense flooding, a loss of available water for consumption and irrigation would create a humanitarian crisis, and the region would lose access to some power in the short term.

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There were also significant downsides to the project: Over 100 construction workers were killed, and the Dam had a large impact on the Colorado River, flooding wildlife habitats and changing its natural flow of the Colorado. Stevens notes this would not pass today's environmental impact assessments.

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The spillways have been used twice. The first time, in 1941, was a test of the system. The second time, in 1983, was for a flood.

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